CN200977577Y - High precision numerically controlled gear shaping machine - Google Patents
High precision numerically controlled gear shaping machine Download PDFInfo
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- CN200977577Y CN200977577Y CN 200620151794 CN200620151794U CN200977577Y CN 200977577 Y CN200977577 Y CN 200977577Y CN 200620151794 CN200620151794 CN 200620151794 CN 200620151794 U CN200620151794 U CN 200620151794U CN 200977577 Y CN200977577 Y CN 200977577Y
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Abstract
A high accuracy numerical control gear shaper, which comprises a lathe bed; a tool rest unit for processes the gear; a numerical control system; and a hydraulic system, wherein the lathe bed comprises an upper supporting work table and a mid lathe bed lower lathe bed, an upright column connected on the lathe bed; the lower lathe bed has a level migration level shifting mechanism which can make the lathe bed to drive the upright column; the tool rest unit is in the pulling mechanism, and a vertical shifting mechanism and an automatic loosening and clamping mechanism are arranged between the pulling mechanism and the upright column. The utility model has the beneficial effect that the main movement, circular motion, tooth dividing movement and radial feed movement of the utility model can realize the stepless speed change, can automatically control the cutting tool traveling schedule and position, and the electron cutter relieving can be realized between the main movement and the cutter relieving movement. The slotting cutter can be fast replaced. The work table rotation axle, the cutter bar rotation axle, the lathe bed longitudinal shifting shaft, the cutter bar vertical reciprocation motive axle, the cutter relieving movement axle, and the vertical shifting shaft and the stroke length automatic regulating shaft can be controlled accurately, thus guaranteeing the high bed automatization.
Description
Technical field
The utility model relates to gear shapping machine, particularly be the high precision numerical control gear shapping machine.
Background technology
Gear shapping machine is a kind of common gear cutting machine.Be mainly used in the processing column straight-tooth, inside and outside gear, helical gear.Be widely used in industries such as auto industry, machinery manufacturing industry, petrochemical industries.At present, the structure of the gear shapping machine of prior art has two kinds substantially:
A kind of is electric by routine and complete mechanically operated gear shapping machine hydraulic control.The common complicated in mechanical structure of such gear shapping machine will realize the movement relation of appointment generally having a plurality of complex transmissions of being made up of gear pair, worm gear, belt and chain gear transmission, cam and bearing.The complete machine production cycle is long, and the adjustment workload before the user processes is big.Be difficult to satisfy the requirement of user to high class gear processing.
Another kind is the digital control gear shaper that has three universal driving shafts by digital control system, HYDRAULIC CONTROL SYSTEM, this class digital control gear shaper precision is higher, and machine tool structure is simple, does not have long mechanical drive train, the part that constitutes lathe significantly reduces the process velocity height of lathe, efficient height.
There is following deficiency in the digital control gear shaper of above-mentioned three universal driving shafts by digital control system, HYDRAULIC CONTROL SYSTEM: 1.. and the workbench of card engaging workpiece can move, and this moving bolster is unfavorable for Robot actions.2.. relieving mechanism still keeps mechanical drive train, cause automaticity not high, when changing workpiece kind or cutter, because such lathe has been installed " the big protection of entire package ", the workman must creep in the big protection of this entire package, operation is very inconvenient, adopts half protection so the class lathe has to abandon the big protection of monoblock type of " help safety, help environmental protection " when design forcedly.3.. because of with length of stroke, the stroke position of manually adjusting cutter, cause automaticity not high, it is longer that lathe is adjusted the time.4.. the asynchronous adjustment inaccuracy of cutter relieving, inconvenience.5.. because of three-shaft linkage, program composition is simple, and confidentiality is poor.6.. because the knife rest assembly is fixed on the column, the knife rest assembly can not arbitrarily be adjusted according to the length of processing parts, and the lathe function scope is restricted.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, provide a kind of and realize driving and programme-control lathe with digital control system, hydraulic system and relevant servomotor, make main motion, circular motion, the motion of branch tooth and radial feed motion all can realize infinitely variable speeds, accurately with realizing being connected synchronously between the motion of main motion and cutter relieving, can adjust the high precision numerical control gear shapping machine of cutter haul distance and cutter travel position with digital control system automatically.
The technical scheme that solves the problems of the technologies described above is:
A kind of high precision numerical control gear shapping machine, this high precision numerical control gear shapping machine structure mainly comprises: lathe bed; The knife rest assembly that adds work gear; Digital control system; Hydraulic system, described lathe bed comprises: fix with ground, the following lathe bed of its upper support workbench and medial bed, be combined in the column on the medial bed; Make medial bed drive horizontal mobile mechanism that column move horizontally leaving the bed to be provided with on one's body; Described knife rest assembly is arranged in the shift mechanism, is provided with to make the vertical movement mechanism that shift mechanism vertically moves along column and unclamp clamping body automatically between shift mechanism and column.
The beneficial effects of the utility model are: main motion of the present utility model, circular motion, the motion of branch tooth and radial feed motion all realize infinitely variable speeds within the specific limits, can adjust cutter haul distance and cutter travel position automatically, get in " full protection " and lathe is adjusted with hand-operated tools and need not the workman.The utility model can be processed the deep hole internal gear that general gear shapping machine is difficult for processing, deep hole internal spline.Do not have mechanically contact between main motion of the present utility model and the cutter relieving motion, but have the motion of accurate cutter relieving synchronously.It is this that each is self-driven and realize the electronics cutter relieving by two motors respectively by digital control system control fully.The utility model can realize changing fast the gear shaping cutter.Machining accuracy of the present utility model can reach 6 class precisions.Digital control system of the present utility model can accurately be controlled the vertical shifting axle and the automatic regulating shaft of length of stroke of three universal driving shafts (rotating shaft of workbench rotating shaft, cutter shaft, medial bed vertical equity shifting axle), two main driven shafts (cutter shaft up-and-down movement axle, cutter relieving kinematic axis), shift mechanism, has guaranteed the increasingly automated of this lathe.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4, Fig. 5, Fig. 6 dismantle only to show front view, left view, the vertical view of lathe bed down behind the medial bed;
Fig. 7 is the vertical movement mechanism partial cutaway front view in the shift mechanism;
Fig. 8 is a P-P cutaway view among Fig. 7;
Fig. 9 is that W-W revolves and turn 90 degrees cutaway view among Fig. 8;
Figure 10 is the knife rest assembly structure connection diagram that shift mechanism supports;
Figure 11 is a main driving machine structure syndeton schematic diagram;
Figure 12 is a worm screw coupling part partial sectional view in the cutter frame mechanism;
Figure 13 is Figure 10 intermediate slide mechanism amplification view;
Figure 14 is a relieving mechanism syndeton schematic diagram;
Figure 15 is a H-H profile among Figure 14;
Figure 16 unclamps clamp mechanism broken section enlarged drawing automatically in the main driving machine structure;
Figure 17 is the automatic governor motion schematic diagram of cutter shaft length of stroke;
Figure 18 is the knife quick change mechanism structural representation;
Figure 19 is the oblique relieving mechanism structural representation that is provided with on the medial bed;
Figure 20 is the full safeguard structure front view of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
As shown in Figure 1-Figure 3, the utility model provides a kind of high precision numerical control gear shapping machine, and the structure of described high precision numerical control gear shapping machine mainly comprises: lathe bed 100; The knife rest assembly 200 that adds work gear; The digital control system (not shown); The hydraulic system (not shown).
Described lathe bed 100 comprises: fix with ground, the following lathe bed 101 of its upper support workbench 181 and medial bed 102, be combined in the column 103 on the medial bed 102; Following lathe bed 101 is provided with and makes medial bed 102 drive the horizontal mobile mechanism that column 103 moves horizontally; Described knife rest assembly 200 is arranged in the shift mechanism 201, is provided with to make shift mechanism 201 along the vertical vertical movement mechanism 204 that move of column 103 with unclamp clamping body 208 automatically between shift mechanism 201 and column 103.Sequence number 180 is electrical control cubicles among Fig. 2.
The utility model workbench 181 adopts the rotating mechanism of prior art, cooperates the medial bed 102 drive columns 103 in the utility model to move horizontally, and the utility model lathe is finished workpiece is processed necessary action.Because the utility model workbench 181 does not move, and is specially adapted to Robot actions.
As Fig. 4-shown in Figure 6, on described lathe bed 101 down, make medial bed 102 drive the horizontal mobile mechanism 104 that columns 103 move horizontally and comprise: ball-screw 105, ball-screw support 106, nut 107.Described ball-screw support 106 is fixed on down on the lathe bed 101; Ball-screw 105 1 ends are connected the ball-screw support 106 that is fixed on down simultaneously on the lathe bed 101 to be supported with servomotor 108; The following lathe bed 101 of ball-screw 105 left and right sides is provided with linear rolling track 109; The nut 107 that is fixed on medial bed 102 bottoms is assemblied in respectively on ball-screw 105 and the linear rolling track 109 with the slide (not shown) that is positioned at nut 107 left and right sides.Between medial bed 102 and column 103, be provided with oblique relieving mechanism 110.
Described medial bed 102 drives column 103 processes of moving horizontally and is: described servomotor 108 drives connected shaft coupling and ball-screw 105 and the nut 107 that is fixed under the medial bed, thereby drive medial bed 102 and on column 103 on the linear rolling track of lathe bed 101 both sides down, make quick convergence, radial feed at a slow speed, accurately suspend, move on, accurately put in place, retreat fast and accurately be parked on the initial point.
As shown in figure 19, the oblique relieving mechanism 110 that is provided with on the described medial bed 102 comprises: with leading screw 111, nut 112, pressure bearing 113 and ring flange 114, medial bed 102, column 103, the big key 115 of six square toes; Described ring flange 114 is fixed on the medial bed 102; Nut 112 is fixed on column 103 bottoms; Leading screw 111 1 ends with six square toes are supported in the endoporus of ring flange 114, and its other end screws in the screw of nut 112; The big key 115 that play the guiding role is fixed on the medial bed 102.
The course of work of the oblique relieving mechanism 110 of the utility model: when interfering appears in Gear Processing, adjust the leading screw 111 of rotating band six square toes, column 103 is moved laterally on medial bed 102, be fixed on cutter and workpiece in the shift mechanism 201 on the column 103 and produce and move relative to oblique, interference has just disappeared.
As Fig. 7-shown in Figure 8, the described vertical movement mechanism 204 that is provided with between shift mechanism 201 and column 103 comprises: ball-screw 202, ball-screw support 203, nut 205; Described ball-screw support 203 is fixed on the top of column 103; Ball-screw 202 1 ends are connected with servomotor 206 simultaneously by 203 supports of ball-screw support; The column 103 of ball-screw 202 left and right sides is provided with rail plate 207; The nut 205 that is fixed on the shift mechanism 201 is assemblied in respectively on ball-screw 202 and the rail plate 207 with the guide rail that is positioned at nut 205 left and right sides; Also be provided with balancing cylinder 209 at column 103 tops, the piston rod 210 in the balancing cylinder 209 is fastened on the top of shift mechanism 201.
Above-mentioned vertical movement mechanism of the present utility model 204; drive shaft couplings and ball-screw 202 and be fixed on nut 205 on the shift mechanism 201 under the help of balancing cylinder 209 by servomotor 206; along moving or accurately be parked in preposition as straight line on two rail plates 207 of column 103 both sides; Here it is has realized the automatic adjustment of cutter travel position, and is to realize stopping on the cutter or cutter is lifted out the condition created from deep hole.
When shift mechanism 201 drove cutters and arrives the position of determining, what will illustrate below utilizing unclamped clamping body 208 realizations automatically to the clamping of shift mechanism 201 with unclamp.
As Fig. 8, shown in Figure 9, the described clamping body 208 that unclamps automatically that is provided with between shift mechanism 201 and column 103 comprises: oil cylinder 211, piston 212, disk spring 213, oil cylinder cover 214, bolt 215, pressure pad 216.The sealing of described oil cylinder 211 upper ends is provided with the oil cylinder cover 214 that piston 212 is equipped with at its center; Oil cylinder 211 lower ends are pressed in above the column 103 jointly with the pressure pad 216 that is pressed in below it; The termination of bolt 215 is sealed on piston 212 end faces, and the screw rod of bolt 215 runs through on the fastening block 217 that is tightened on behind the through hole of piston 212, pressure pad 216, shift mechanism 201 in the column 103T type groove; Be provided with the butterfly spring 213 of band pretightning force in the cavity of resorption that piston 212 is cut apart oil cylinder 211, epicoele one side of oil cylinder 211 is provided with the hydraulic fluid port 218 that is communicated with hydraulic system.The described clamping body 208 that unclamps automatically also is arranged between column 103 and the medial bed 102.
The described course of work of unclamping clamping body 208 automatically is: when the position that shift mechanism 201 drive cutters arrival are determined need clamp, hydraulic system stops for pressure oil, automatically unclamp the pretightning force that disk spring 213 utilizations in the clamping body 208 have itself, upwards promote piston 212, bolt 215 is stressed, the fastening block 217 that bolt 215 lower ends connect is stressed, and shift mechanism 201 and column 103 are pressed, and realizes the clamping to shift mechanism 201.When needs unclamp shift mechanism 201, the utility model hydraulic system provides pressure oil, automatically unclamp the promotion piston 212 downward pressurizeds in the clamping body 208, make disk spring 213 pressurizeds, bolt 215 loosens, the fastening block 217 that bolt 215 lower ends connect loosens, and realizes unclamping shift mechanism 201.
As described in Figure 10, shift mechanism 201 is carriages of a support knife rest assembly 200, and described knife rest assembly 200 comprises: main driving machine structure 300, the cutter frame mechanism 280 that is connected with main driving machine structure 300, the relieving mechanism 250 that is connected with cutter frame mechanism 280; Described main driving machine structure 300 is provided with cutter shaft 339 up-down mechanism and unclamps the automatic governor motion 360 of clamp mechanism 343, length of stroke automatically; Described cutter frame mechanism 280 is provided with and makes cutter shaft 339 realize dividing tooth circular motion and knife quick change mechanism 291; Described relieving mechanism 250 is provided with two roller fork type relieving mechanisms.
As shown in figure 11, main driving machine structure 300 is the mechanisms that realize principal cutting movement, and cutter shaft 339 up-down mechanism of described main driving machine structure 300 comprise: little leading screw 337, crank-pin 338, crank 342, the ball pull bar 340 of motor 331, reducing gear 330, crank axle 335, band square head; Described crank axle 335 is supported on the shift mechanism 201, crank axle 335 1 ends are connected motor 331 and drive on the reducing gear 330 down, the little leading screw 337 of regulating cutter shaft 339 lengths of stroke is housed in the T type groove of its other end and is tightened on the little leading screw 337 and mobile crank-pin 338 in this T type groove; The cubic termination of little leading screw 337 is positioned at the outward flange of crank axle 335 other ends; One end of crank 342 is contained on the crank-pin 338, and its other end is equipped with to rapid changing knife mechanism joins on the ball pull bar 340 of also oily and cutter shaft 339 connections; On crank-pin 338, also be equipped with and unclamp clamp mechanism 343 automatically; The encoder 336 of gathering crank axle 335 rotation status is arranged on the shift mechanism 201.
Among the embodiment of the present utility model, reducing gear 330 comprises: little synchronizing jugged belt wheel 332, synchronous cog belt 333, big synchronous cog belt wheel 334.Motor 331 directly drives little synchronizing jugged belt wheel 332 and drives big synchronous cog belt wheel 334 by synchronous cog belt 333 and realize that one-levels slow down, drive crank axle 335, crank-pin 338, crank 342 and on cutter shaft 339 and cutter realize stepless speed regulation in 60-1000 stroke/minute scope.
The encoder 336 that is arranged on the shift mechanism 201 is collection crank axle 335 rotation status, on crank axle 335,, a big synchronous cog belt takes turns 334 except that being installed, also be provided with a little synchronizing jugged belt wheel 7, be connected with encoder 336 on being installed in shift mechanism 201 by little synchronous cog belt 8, motor 331 is at each instantaneous rotating speed like this, the digital control system that the phase place that turns to, is positioned is gathered this machine of back input by encoder 336, ready for realizing with the electronics cutter relieving of digital control system control.
As shown in figure 16, be main driving machine structure 300 unclamp clamp mechanism 343 automatically, the described clamp mechanism 343 of unclamping automatically is installed on the crank-pin 338, and this unclamps clamp mechanism 343 automatically and comprises: be installed in oil cylinder 346, piston 347, the dish spring 348 of crank-pin 338 heads and rotate oily joint 349; Described oil cylinder 346 is cut apart two oil pockets by piston 347, and one side oil pocket connects the oily joint 349 of rotation, and its opposite side oil pocket connects the oil seal cover 329 of the equipped piston 347 of centre bore; The dish spring 348 of band pretightning force is set between oil seal cover 329 in the opposite side oil pocket and the piston 347; The end of thread of crank-pin 338 is connected on the piston 347.
The described course of work of unclamping clamp mechanism 343 automatically is: pressure oil enters oil cylinder 346 by rotating oily joint 349, piston 347 retreats and compresses dish spring 348, unclamp after having dish spring 348 pressurizeds of pretightning force, the crank-pin 338 that is positioned at T type groove unclamps, little leading screw 337 in the band square head can freely rotate, under the effect of little leading screw 337, crank-pin 338 moves in the T of crank axle 335 type groove, this moves the offset that has just changed crank-pin 338, and is ready for regulating length of stroke automatically.
As shown in Figure 12 and Figure 13, be that described cutter frame mechanism 280 realizes that the knife rest circumference divide the mechanism of tooth motion, described cutter frame mechanism 280 comprises: tool-post structure 284, be fixed on cutter spindle sleeve 285 and servomotor 281 in the tool-post structure 284, be responsible for dividing worm screw 282, worm gear 283, slide block 288, fixed block 289, cutter shaft 339 in the tooth circular motion worm gear; Be provided with in the described tool-post structure 284 and be connected with servomotor 281 and drive worm screw 282, the worm gear of being responsible for dividing in the tooth circular motion worm gear 283; In worm gear 283 centre bores, be provided with and the ball pull bar 340 up and down mobile cutter shaft 339 that fastens as one; Being equipped with between worm gear 283 and cutter shaft 339 has fixed block 289 and the slide block 288 of setting the gap each other, and wherein fixed block 289 is fixing with worm gear 283, and slide block 288 is fixing with cutter shaft 339; Be provided with knife quick change mechanism 291 in cutter shaft 339 lower ends.
Described cutter frame mechanism 280 courses of work are: the worm screw 282 that servomotor 281 drives in the worm gear of being responsible for point tooth circular motion by worm screw coupling sleeve 2, ball verdant formula synchronous coupling 3, ring flange 4.Cover 10, slide block 288, fixed block 289 rotate simultaneously at the bottom of worm screw 282 drive worm gears 283, the worm gear.The cutter shaft 291 that is installed together with slide block 288 had just both been done the principal cutting movement of reciprocal stroke in cutter spindle sleeve 285, make to divide a tooth circular motion again.
As Figure 14, shown in Figure 15, described relieving mechanism 250 comprises: servomotor 251, reducing gear 263, camshaft 255, cam 256, eccentric shaft 258, shift fork 259, roller 260, eccentric cam 261, cutter relieving pull bar 262; Described camshaft 255 is supported on the shift mechanism 201, and an end of camshaft 255 is connected on servomotor 251 reducing gear 263 under driving, and two cams 256 are housed on the camshaft 255 side by side; Two cams 256 fit tightly respectively on two rollers 260 of shift fork 259 1 end both sides, tighten up eccentric shaft 258 in the hole of shift fork 259 other ends; The eccentric shaft 258 that eccentric cam 261 is housed is supported on the shift mechanism 201; Eccentric cam 261 connects an end of cutter relieving pull bar 262, and the other end of cutter relieving pull bar 262 connects cutter frame mechanism 280; Camshaft 255 left ends are equipped with encoder 257; Be connected with bearing pin 264 between the tool-post structure 284 in relieving mechanism 250 and the cutter frame mechanism 280.
The course of work of described relieving mechanism 250 is: among the embodiment of the present utility model, reducing gear 263 comprises: little synchronizing jugged belt wheel 252, synchronous cog belt 253, big synchronous cog belt wheel 254.Servomotor 251 directly drives little synchronizing jugged belt wheel 252 and drives big synchronous cog belt wheel 254 realization one-levels decelerations by synchronous cog belt 253, thereby drive cam shaft 255 is rotated.Shift fork 259 in camshaft 255 stage casings, it is symmetrically arranged rollers 260 that two plans are arranged on the shift fork 259, the cylindrical of these two rollers 260 all the time with camshaft 255 on two cam 256 curves fit tightly, when cam 256 rotates, the eccentric shaft 258 that promotes shift fork 259 places is swung, and the swing of eccentric shaft 258 and then drive cutter relieving pull bar 262 and cutter frame mechanism are realized the cutter relieving motion.
Left end at camshaft 255 is provided with an encoder 257 too, this encoder 257 will be imported digital control system to camshaft 255 after first instantaneous rotating speed, the phase place collection that turns to, be positioned, guarantee " the moving relation of principal and subordinate " that camshaft 255 and crank axle 335 realizations are rotated synchronously, thereby realized not having the electronics cutter relieving of any mechanically contact.
As shown in figure 17, also be provided with in a side of the little leading screw 337 of square head and drive the automatic governor motion 360 that little leading screw 337 is realized cutter shafts 339 lengths of stroke, the automatic governor motion 360 of described cutter shaft 339 lengths of stroke comprises: servomotor 370, ringfeder formula shaft coupling 361, coupling spindle 362, little axle 363, spring 364, internal square hole cover 365, oil cylinder 366, piston 367; Described servomotor 370 connects coupling spindle 362 by ringfeder formula shaft coupling 361; Coupling spindle 362 is arranged in piston 367 endoporus in the oil cylinder that supported by shift mechanism 201 366; Between piston 367 endoporus and coupling spindle 362, be provided with little axle 363; On endoporus suit coupling spindle 362 cylindricals of little axle 363, between little axle 363 and coupling spindle 362, be provided with and little axle 363 rotated and can be with coupling spindle 362 along coupling spindle 362 axially movable slide keys 373; The cylindrical of little axle 363 is installed in the endoporus of piston 367, and piston 367 endoporus are provided with the hole back-up ring 368 that blocks little axle 363 end faces; Another termination of little axle 363 is fastened with internal square hole cover 365, overlaps 365 upper ends at internal square hole spring 364 is housed, and the other end of spring 364 withstands on the cascaded surface of little axle 363 and piston 367 same positions; Internal square hole overlaps 365 outward flanges and is provided with collision block 369; Shift mechanism 201 is provided with the contactless limit switch I 371 and the limit switch II 372 of control collision block 369 positions, and limit switch I 371 is connected on the digital control system respectively with limit switch II 372.
Before the each completion of processing of the utility model was made the stroke of cutter length adjustment, the square head of the little leading screw 337 on the crank axle all was in the position of three o'clock sharps of clock, and is ready for docking with cubic borehole jack 365 of the present utility model.Promote piston 367 after pressure oil enters oil cylinder 366 from fuel feed hole Y, piston 367 drives little axle 363, spring 364 and cubic borehole jack 365 and advances together.When cubic borehole jack 365 just contact with the square head of little leading screw 337 may both misalignments, 364 cushioning effects of spring this moment, servomotor 370 shakes several aims at cubic hole up to square head, achieves a butt joint smoothly.Piston 367 moves on, arrive the degree of depth of limit switch I control after, servomotor 370 beginning rotating drive the little leading screw 337 and the crank-pin 338 of band square head, after moving into place by the offset that presets, servomotor 370 stops operating.Piston 367 returns to the original position of being controlled by limit switch II together with little axle 363, spring 364 and cubic borehole jack 365.As shown in figure 16, the oil cylinder 346 on the crank-pin 338 loses pressure oil, and dish spring 348 works, and clamps crank axle 335 and crank-pin 338 again.Realized the automatic adjusting of stroke of cutter length.
As shown in figure 18, in cutter shaft 339 bottoms knife quick change mechanism 291 is installed, described knife quick change mechanism 291 comprises: fixedly the nut 292 of pinion cutter, handle of a knife 293, spacer shell 294, blind rivet 295, pull bar 296, steel ball 297, dish spring 301, piston 302, sealing ring 303, cutter shaft 339, pull bar connect cover 307, sphere contact bearing 308; Piston 302, pull bar 296 and dish spring 301 are housed in the centre bore of described cutter shaft 339 bottoms; Pull bar 296 1 end external diameters run through piston 302 centre bores, and pull bar 296 other ends insert and are contained in spacer shell 294 endoporus of cutter shaft 339 ends; The pull bar that the side oil pocket that cutter shaft 339 centre bores are cut apart by piston 302 is communicated with its upper end and is positioned at its top connects the oil circuit of cover 307, be provided with dish spring 301 in the centre bore of the opposite side that cutter shaft 339 is cut apart by piston 302, this dish spring 301 is enclosed within on pull bar 296 cylindricals; Be fixed with central screw 311 and a pair of steel ball 297 in the centre bore of pull bar 296 other ends, steel ball 297 is flexible to be arranged on the symmetric position of center hole wall; The neck of blind rivet 295 terminations is stuck on a pair of steel ball 297, and the other end of blind rivet 295 is fastened with the handle of a knife 293 and the fixing nut 292 of pinion cutter, and handle of a knife 293 cylindricals are fitted in spacer shell 294 endoporus.
The course of work of the utility model knife quick change mechanism 291 is: earlier new pinion cutter is fastened on the handle of a knife 293 with nut 292, and installs handle of a knife 293 and blind rivet 296 standby in advance.When the pull bar of pressure oil through the top of cutter shaft 339 connects cover 307 sphere contact bearings 308 and enter cutter shaft 339 inner chambers, promote piston 302 compact disc springs 301, pull bar 296 is moved down, steel ball 297 outer spies, the central screw 311 that moves down simultaneously with pull bar 296 ejects blind rivet 296 in the lump together with handle of a knife 293 and old pinion cutter, new pinion cutter assembly that simultaneously will install is in advance packed into and is removed pressure oil in the taper hole of spacer shell 294, move on dish spring 301 pushing drawing rods 296, steel ball 297 is clamped blind rivet 296, handle of a knife 293 firmly is locked in the spacer shell 294 of cutter shaft 339 together with pinion cutter, and cutter quick change finishes.Sequence number 306,303 all is sealing rings among the figure
As Fig. 1, shown in Figure 20, the utility model also has full protection mechanism 150, and described full protection mechanism 150 includes: the big protective cover 151 of entire package control gear shapping machine spray-proof oil; Be arranged on the smoke exhaust ventilator 152 of big protective cover 151 top oil suction smog; Be positioned at the workbench below and remove the iron filings conveyer 153 of iron filings; Be positioned at the air conditioner 154 that hydraulic fluid tank 182 tops keep hydraulic fluid tank 182 constant temperature.
Big protective cover 151 of the present utility model its door and window as required can be made with transparent material, and remainder is made with sheet iron; Iron filings conveyer 153 is an outsourcing piece.Full protection mechanism 150 is engagement height automation settings.Reliable protection is provided for workman's handling safety, has increased the attractive in appearance of lathe.The oil smoke mist that produces in the processing is constantly discharged, and is of value to the healthy of operator, also compliance with environmental protection requirements.
Claims (10)
1. high precision numerical control gear shapping machine, this high precision numerical control gear shapping machine structure mainly comprises: lathe bed; The knife rest assembly that adds work gear; Digital control system; Hydraulic system is characterized in that: described lathe bed (100) comprising: fix with ground, the following lathe bed (101) of its upper support workbench (181) and medial bed (102), be combined in the column (103) on the medial bed (102); Following lathe bed (101) is provided with and makes medial bed (102) drive the horizontal mobile mechanism (104) that column (103) moves horizontally; Described knife rest assembly (200) is arranged in the shift mechanism (201), is provided with to make the vertical movement mechanism (204) that shift mechanism (201) vertically moves along column (103) and unclamp clamping body (208) automatically between shift mechanism (201) and column (103).
2. according to the high precision numerical control gear shapping machine described in the claim 1, it is characterized in that: described horizontal mobile mechanism (104) comprising: ball-screw (105), ball-screw support (106), nut (107); Described ball-screw support (106) is fixed on down on the lathe bed (101); Ball-screw (105) one ends are connected the ball-screw support (106) that is fixed on down simultaneously on the lathe bed (101) to be supported with servomotor (108); The following lathe bed (101) of ball-screw (105) left and right sides is provided with linear rolling track (109); The slide that is fixed on the nut (107) of medial bed (102) bottom and is positioned at nut (107) left and right sides is assemblied in respectively on ball-screw (105) and the linear rolling track (109); Be provided with oblique relieving mechanism (110) between medial bed (102) and column (103), this oblique relieving mechanism (110) comprising: with leading screw (111), nut (112), pressure bearing (113) and ring flange (114), medial bed (102), column (103), the big key (115) of six square toes; Described ring flange (114) is fixed on the medial bed (102); Nut (112) is fixed on column (103) bottom; Leading screw (111) one ends with six square toes are supported in the endoporus of ring flange (114), and its other end screws in the screw of nut (112); The big key (115) that play the guiding role is fixed on the medial bed (102).
3. according to the high precision numerical control gear shapping machine described in the claim 1, it is characterized in that: the described vertical movement mechanism (204) that is provided with between shift mechanism (201) and column (103) comprising: ball-screw (202), ball-screw support (203), nut (205); Described ball-screw support (203) is fixed on the top of column (103); Ball-screw (202) one ends are connected with servomotor (206) and are supported by ball-screw support (203) simultaneously; The column (103) of ball-screw (202) left and right sides is provided with rail plate (207); The guide rail that is fixed on the nut (205) on the shift mechanism (201) and is positioned at nut (205) left and right sides is assemblied in respectively on ball-screw (202) and the rail plate (207); Also be provided with balancing cylinder (209) at column (103) top, the piston rod (210) in the balancing cylinder (209) is fastened on the top of shift mechanism (201);
The described clamping body (208) that unclamps automatically that is provided with between shift mechanism (201) and column (103) comprising: oil cylinder (211), piston (212), disk spring (213), oil cylinder cover (214), bolt (215), pressure pad (216); Described oil cylinder (211) upper end sealing is provided with its center and the oil cylinder cover of piston (212) (214) oil cylinder (211) lower end is housed is pressed in jointly above the column (103) with the pressure pad (216) that is pressed in below it; The termination of bolt (215) is sealed on piston (212) end face, and the screw rod of bolt (215) runs through on the fastening block (217) that is tightened on behind the through hole of piston (212), pressure pad (216), shift mechanism (201) in column (103) the T type groove; Be provided with the butterfly spring (213) of band pretightning force in the cavity of resorption that piston (212) is cut apart oil cylinder (211), epicoele one side of oil cylinder (211) is provided with the described clamping body (208) that unclamps automatically of the hydraulic fluid port (218) that is communicated with hydraulic system and also is arranged between column (103) and the medial bed (102).
4. according to the high precision numerical control gear shapping machine described in the claim 1, it is characterized in that: described shift mechanism (201) is the carriage of a support knife rest assembly (200), and described knife rest assembly (200) comprising: main driving machine structure (300), the cutter frame mechanism (280) that is connected with main driving machine structure (300), the relieving mechanism (250) that is connected with cutter frame mechanism (280); Described main driving machine structure (300) is provided with cutter shaft (339) up-down mechanism and unclamps the automatic governor motion (360) of clamp mechanism (343), length of stroke automatically; Described cutter frame mechanism (280) is provided with and makes cutter shaft (339) realize dividing tooth circular motion and knife quick change mechanism (291); Described relieving mechanism (250) is provided with two roller fork type relieving mechanisms.
5. according to the high precision numerical control gear shapping machine described in the claim 4, it is characterized in that: cutter shaft (339) up-down mechanism of described main driving machine structure (300) comprising: little leading screw (337), crank-pin (338), crank (342), the ball pull bar (340) of motor (331), reducing gear (330), crank axle (335), band square head; Described crank axle (335) is supported on the shift mechanism (201), crank axle (335) one ends are connected motor (331) and drive on the reducing gear (330) down, the little leading screw (337) of regulating cutter shaft (339) length of stroke is housed in the T type groove of its other end and is tightened on the little leading screw (337) and mobile crank-pin (338) in this T type groove; The cubic termination of little leading screw (337) is positioned at the outward flange of crank axle (335) other end; One end of crank (342) is contained on the crank-pin (338), and its other end is equipped with to rapid changing knife mechanism joins on the ball pull bar (340) of also oily and cutter shaft (339) connection; On crank-pin (338), also be equipped with and unclamp clamp mechanism (343) automatically; The encoder (336) of gathering crank axle (335) rotation status is arranged on the shift mechanism (201);
Automatically the clamp mechanism (343) of unclamping of described main driving machine structure (300) comprising: be installed in oil cylinder (346), piston (347), the dish spring (348) of crank-pin (338) head and rotate oily joint (349); Described oil cylinder (346) is cut apart two oil pockets by piston (347), and one side oil pocket connects rotation oily joint (349), and its opposite side oil pocket connects the oil seal cover (329) of the equipped piston (347) of centre bore; The end of thread that dish spring (348) crank-pin (338) of band pretightning force is set between oil seal cover in the opposite side oil pocket (329) and the piston (347) is connected on the piston (347).
6. according to the high precision numerical control gear shapping machine described in the claim 4, it is characterized in that: described cutter frame mechanism (280) comprising: tool-post structure (284), be fixed on cutter spindle sleeve (285) and servomotor (281) in the tool-post structure (284), be responsible for dividing the worm screw (282) in the tooth circular motion worm gear, worm gear (283), slide block (288), fixed block (289), be provided with in the described tool-post structure of cutter shaft (339) (284) and be connected with servomotor (281) and drive the worm screw (282) of being responsible for dividing in the tooth circular motion worm gear, worm gear (283) is provided with in worm gear (283) centre bore and ball pull bar (340) the up and down mobile cutter shaft (339) that fastens as one; Being equipped with between worm gear (283) and cutter shaft (339) has fixed block (289) and the slide block (288) of setting the gap each other, and wherein fixed block (289) is fixing with worm gear (283), and slide block (288) is fixing with cutter shaft (339); Be provided with knife quick change mechanism (291) in cutter shaft (339) lower end.
7. according to the high precision numerical control gear shapping machine described in the claim 4, it is characterized in that: described relieving mechanism (250) comprising: servomotor (251), reducing gear (263), camshaft (255), cam (256), eccentric shaft (258), shift fork (259), roller (260), eccentric cam (261), the described camshaft of cutter relieving pull bar (262) (255) are supported on the shift mechanism (201), one end of camshaft (255) is connected on the reducing gear (263) of servomotor (251) under driving, and two cams (256) are housed on the camshaft (255) side by side; Two cams (256) fit tightly respectively on two rollers (260) of shift fork (259) one end both sides, tighten up the eccentric shaft (258) that eccentric shaft (258) is equipped with eccentric cam (261) in the hole of shift fork (259) other end and are supported on the shift mechanism (201); Eccentric cam (261) connects an end of cutter relieving pull bar (262), and the other end of cutter relieving pull bar (262) connects cutter frame mechanism (280) camshaft (255) left end encoder (257) is installed; Be connected with bearing pin (264) between the tool-post structure (284) in relieving mechanism (250) and the cutter frame mechanism (280).
8. according to the high precision numerical control gear shapping machine described in the claim 5, it is characterized in that: also be provided with in a side of the little leading screw (337) of described square head and drive the automatic governor motion (360) that little leading screw (337) is realized cutter shaft (339) length of stroke, the automatic governor motion (360) of described cutter shaft (339) length of stroke comprises: servomotor (370), ringfeder formula shaft coupling (361), coupling spindle (362), little axle (363), spring (364), internal square hole cover (365), oil cylinder (366), the described servomotor of piston (367) (370) connects coupling spindle (362) by ringfeder formula shaft coupling (361); Coupling spindle (362) is arranged on by in piston (367) endoporus in the oil cylinder (366) of shift mechanism (201) support; Between piston (367) endoporus and coupling spindle (362), be provided with little axle (363); On endoporus suit coupling spindle (362) cylindrical of little axle (363), between little axle (363) and coupling spindle (362), be provided with little axle (363) is rotated with coupling spindle (362) also can be along the axially movable slide key of coupling spindle (362) (373); The cylindrical of little axle (363) is installed in the endoporus of piston (367), and piston (367) endoporus is provided with the hole back-up ring (368) that blocks little axle (363) end face; Another termination of little axle (363) is fastened with internal square hole cover (365), in internal square hole cover (365) upper end spring (364) is housed, and the other end of spring (364) withstands on the cascaded surface of little axle (363) and piston (367) same position; Internal square hole cover (365) outward flange is provided with collision block (369); Shift mechanism (201) is provided with the contactless limit switch I (371) and the limit switch II (372) of control collision block (369) position, and limit switch I (371) is connected on the digital control system respectively with limit switch II (372).
9. according to the high precision numerical control gear shapping machine described in the claim 6, it is characterized in that: the knife quick change mechanism (291) of described cutter shaft (339) bottom comprises: fixedly the nut of pinion cutter (292), handle of a knife (293), spacer shell (294), blind rivet (295), pull bar (296), steel ball (297), dish spring (301), piston (302), sealing ring (303), cutter shaft (339), pull bar connect cover (307), sphere contact bearing (308); Piston (302), pull bar (296) and dish spring (301) are housed in the centre bore of described cutter shaft (339) bottom; Pull bar (296) one end external diameters run through piston (302) centre bore, and pull bar (296) other end inserts and is contained in spacer shell (294) endoporus of cutter shaft (339) end; The pull bar that the side oil pocket that cutter shaft (339) centre bore is cut apart by piston (302) is communicated with its upper end and is positioned at its top connects the oil circuit of cover (307), be provided with dish spring (301) in the centre bore of the opposite side that cutter shaft (339) is cut apart by piston (302), this dish spring (301) is enclosed within on pull bar (296) cylindrical; Be fixed with central screw (311) and a pair of steel ball (297) in the centre bore of pull bar (296) other end, steel ball (297) is flexible to be arranged on the symmetric position of center hole wall; The neck of blind rivet (295) termination is stuck on a pair of steel ball (297), and the other end of blind rivet (295) is fastened with handle of a knife (293) and the fixing nut of pinion cutter (292), and handle of a knife (293) cylindrical is fitted in spacer shell (294) endoporus.
10. according to the high precision numerical control gear shapping machine described in the claim 1, it is characterized in that: also have a full protection mechanism (150), described full protection mechanism (150) includes: the smoke exhaust ventilator (152) that the big protective cover (151) of entire package control gear shapping machine spray-proof oil is arranged on big protective cover (151) top oil suction smog is positioned at the iron filings conveyer (153) that iron filings are removed in the workbench below; Be positioned at the air conditioner (154) that hydraulic fluid tank (182) top keeps hydraulic fluid tank (182) constant temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151794 CN200977577Y (en) | 2006-12-15 | 2006-12-15 | High precision numerically controlled gear shaping machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151794 CN200977577Y (en) | 2006-12-15 | 2006-12-15 | High precision numerically controlled gear shaping machine |
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| CN200977577Y true CN200977577Y (en) | 2007-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620151794 Expired - Fee Related CN200977577Y (en) | 2006-12-15 | 2006-12-15 | High precision numerically controlled gear shaping machine |
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| CN (1) | CN200977577Y (en) |
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| CN102355973A (en) * | 2009-03-17 | 2012-02-15 | Xtek公司 | Rolling mill drive with oil recirculation system having air pressure feature |
| CN102581384A (en) * | 2012-03-19 | 2012-07-18 | 天津第一机床总厂 | Gear shaping method based on equal cutting area |
| CN102615541A (en) * | 2012-04-10 | 2012-08-01 | 宁波东平齿轮制造有限公司 | Gear shaper |
| CN103358163A (en) * | 2013-07-16 | 2013-10-23 | 苏州怡信光电科技有限公司 | High-precision numerical control machine tool |
| CN104183190A (en) * | 2014-08-13 | 2014-12-03 | 浙江大学 | Novel numerical control gear shaping machine demonstration instrument and demonstration method thereof |
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| CN104793561A (en) * | 2015-04-13 | 2015-07-22 | 宜昌长机科技有限责任公司 | Method for computing cut areas of gear shaper |
| CN105436631A (en) * | 2015-12-21 | 2016-03-30 | 宜昌长机科技有限责任公司 | Device for automatically regulating travel of gear slotting machine |
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| CN102355973B (en) * | 2009-03-17 | 2013-12-04 | Xtek公司 | Rolling mill drive with oil recirculation system having air pressure feature |
| CN102355973A (en) * | 2009-03-17 | 2012-02-15 | Xtek公司 | Rolling mill drive with oil recirculation system having air pressure feature |
| CN102581384A (en) * | 2012-03-19 | 2012-07-18 | 天津第一机床总厂 | Gear shaping method based on equal cutting area |
| CN102581384B (en) * | 2012-03-19 | 2013-10-16 | 天津第一机床总厂 | Gear shaping method based on equal cutting area |
| CN102615541A (en) * | 2012-04-10 | 2012-08-01 | 宁波东平齿轮制造有限公司 | Gear shaper |
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| CN103358163B (en) * | 2013-07-16 | 2016-08-17 | 苏州怡信光电科技有限公司 | high-precision numerical control machine |
| CN105081789A (en) * | 2013-07-16 | 2015-11-25 | 苏州怡信光电科技有限公司 | High-precision engraving and milling machine |
| CN104339228A (en) * | 2013-08-05 | 2015-02-11 | 昆山合济机械有限公司 | Machine tool with lifting isolating device |
| CN104339228B (en) * | 2013-08-05 | 2017-03-22 | 昆山合济机械有限公司 | Machine tool with lifting isolating device |
| CN106984980A (en) * | 2013-09-23 | 2017-07-28 | 苏州怡信光电科技有限公司 | Automate high-precision stock-removing machine |
| CN106984980B (en) * | 2013-09-23 | 2019-05-24 | 苏州怡信光电科技有限公司 | Automate high-precision stock-removing machine |
| CN104183190B (en) * | 2014-08-13 | 2016-08-24 | 浙江大学 | Novel numerical control gear shapping machine demonstrator and demenstration method |
| CN104183190A (en) * | 2014-08-13 | 2014-12-03 | 浙江大学 | Novel numerical control gear shaping machine demonstration instrument and demonstration method thereof |
| CN104793561A (en) * | 2015-04-13 | 2015-07-22 | 宜昌长机科技有限责任公司 | Method for computing cut areas of gear shaper |
| CN105436631A (en) * | 2015-12-21 | 2016-03-30 | 宜昌长机科技有限责任公司 | Device for automatically regulating travel of gear slotting machine |
| CN109128393A (en) * | 2018-10-30 | 2019-01-04 | 宜昌吉玛精机科技有限公司 | A kind of comb scouring machine index table location locking mechanism |
| CN113523447A (en) * | 2021-07-29 | 2021-10-22 | 重庆市旺成科技股份有限公司 | Novel vertical gear honing machine |
| CN113523447B (en) * | 2021-07-29 | 2023-04-04 | 重庆市旺成科技股份有限公司 | Novel vertical gear honing machine |
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Granted publication date: 20071121 Termination date: 20101215 |